<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>活动管理</el-breadcrumb-item>
      <el-breadcrumb-item>活动列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <!-- 栅格系统  搜索框 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索框 -->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 表格 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <!-- {{scope.row}} -->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-row>
              <!-- 修改按钮 -->
              <el-button
                type="primary"
                icon="el-icon-edit"
                circle
                @click="showEditDialog(scope.row.id)"
              ></el-button>
              <!-- 删除按钮 -->
              <el-button
                type="danger"
                icon="el-icon-delete"
                circle
                @click="removeUserById(scope.row.id)"
              ></el-button>
              <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" circle @click="setRole(scope.row)"></el-button>
              </el-tooltip>
            </el-row>
            <!-- {{scope.row}} -->
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>

    <!-- 添加用户弹出对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 主体内容 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部确认与取消区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <!-- 用户名 -->
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <!-- 邮箱 -->
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <!-- 手机号 -->
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <p>当前的用户：{{userInfo.username}}</p>
      <p>当前的角色：{{userInfo.role_name}}</p>
      <p>
        分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
          <el-option
            v-for="item in roleList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id"
          ></el-option>
        </el-select>
      </p>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>


<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^\w+@\w+(\.\w+)+$/;
      if (regEmail.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    //验证手机号码的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[34578]\d{9}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      //返回一个错误提示
      cb(new Error("请输入合法的手机号码"));
    };
    return {
      queryInfo: {
        query: "",
        // 当前页 码
        pagenum: 1,
        // 每页显示条数
        pagesize: 2
      },
      userlist: [],
      total: 0,
      addDialogVisible: false,
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: ""
      },
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 10 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 6 到 15 个字符", trigger: "blur" }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      editDialogVisible: false,
      //获取到用户信息对象
      editForm: {},
      editFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 10 个字符", trigger: "blur" }
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" }
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" }
        ]
      },
      // 分配角色的对话框是否可见
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      roleList: [],
      // 已选中的角色ID值
      selectedRoleId: ""
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      if (res.meta.status != 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
      // console.log(this.userlist);
      // console.log(res);
    },
    handleSizeChange(newsize) {
      // console.log(newsize);
      this.queryInfo.pagesize = newsize;
      this.getUserList();
    },
    handleCurrentChange(newnum) {
      console.log(newnum);
      this.queryInfo.pagenum = newnum;
      this.getUserList();
    },
    async userStateChanged(userinfo) {
      // console.log(userinfo);
      // 发送axios请求
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      console.log(res);
      if (res.meta.status != 200) {
        this.userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("用户更新失败");
      }
      this.$message.success("用户更新成功");
    },
    // addDialogVisible() {
    //   // addDialogVisible = true;
    // },
    // 添加用户表单重置
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid);
        // if (!valid) return;
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status != 201) {
          return this.$message.error("用户添加失败");
        }
        this.$message.success("用户添加成功");
        // 关闭 添加用户弹出对话框
        this.addDialogVisible = false;
        // 重新获取用户列表
        this.getUserList();
      });
    },
    async showEditDialog(id) {
      // console.log(id);
      const { data: res } = await this.$http.get("users/" + id);
      // console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error("获取数据失败");
      }
      this.editForm = res.data;
      // console.log(this.editForm);

      this.editDialogVisible = true;
    },

    // 修改用户表单重置
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改用户表单的预验证
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid);
        //如果验证不通过，则直接返回
        if (!valid) return;
        // 验证通过再发起请求
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        );

        // 验证不通过
        if (res.meta.status != 200) {
          return this.$message.error("修改用户信息失败");
        }

        // 验证通过
        //关闭对话框
        this.editDialogVisible = false;
        //刷新数据
        this.getUserList();
        // 提示用户修改成功
        this.$message.success("修改用户信息成功");
      });
    },

    // 点击操作里面的删除按钮
    async removeUserById(id) {
      // console.log(id);
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          //type   消息类型，用于显示图标  warning为黄色
          type: "warning"
        }
      ).catch(err => err);
      // confirmResult的返回结果是confirm或者cancel
      // console.log(confirmResult);
      //如果是取消则返回已取消删除信息
      if (confirmResult != "confirm") {
        return this.$message.error("已取消删除");
      }
      //真的要删除改用户则需要发送请求，参考文档
      const { data: res } = await this.$http.delete("users/" + id);
      // console.log(res);

      // 如果返回200则删除失败
      if (res.meta.status != 200) {
        return this.$message.error("删除用户信息失败");
      }
      this.$message.success("删除用户信息成功");
      this.getUserList();
    },
    // 分配角色
    async setRole(userInfo) {
      this.userInfo = userInfo;
      // 获取到该用户信息
      // console.log(this.userInfo);
      // 在展示对话框事前   发送请求获取角色列表
      const { data: res } = await this.$http.get("roles");
      // console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.roleList = res.data;
      // console.log(this.roleList);

      this.setRoleDialogVisible = true;
    },
    // 点击确定按钮重新分配用户角色
    async saveRoleInfo() {
      // 先判断用户是否有选择其他用户用户角色
      // 第一种情况，用户没有选择用户角色，那么也没有对应的id
      if (!this.selectedRoleId) {
        return this.$message.error("请选择要分配的角色");
      }
      // 第二种情况用户选择了用户角色     发送请求
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      );
      console.log(res);
      this.$message.success("更新角色成功");
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    // 监听分配角色对话框的关闭时间
    setRoleDialogClosed() {
      this.selectedRoleId = "";
      this.userInfo = {};
    }
  }
};
</script>




